Linux Kernel up to 6.18.9 spi tegra_slink_probe memory leak

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 5.15.199/6.1.162/6.6.123/6.12.69/6.18.9. Impacted is the function tegra_slink_probe of the component spi. Such manipulation leads to memory leak. This vulnerability is documented as CVE-2026-23182. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.199/6.1.162/6.6.123/6.12.69/6.18.9. It has been rated as critical. Affected by this issue is the function tegra_slink_probe of the component spi. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: spi: tegra: Fix a memory leak in tegra_slink_probe() In tegra_slink_probe(), when platform_get_irq() fails, it directly returns from the function with an error code, which causes a memory leak. Replace it with a goto label to ensure proper cleanup.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2026-23182 since 01/13/2026. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 299080 (Linux Distros Unpatched Vulnerability : CVE-2026-23182), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.15.200, 6.1.163, 6.6.124, 6.12.70 or 6.18.10 eliminates this vulnerability. Applying the patch 6a04dc650cef8d52a1ccb4ae245dbe318ffff32e/327b71326cc1834bc031e8f52a470a18dfd9caa6/126a09f4fcd2b895a818ca43fde078d907c1ac9a/075415ae18b5b3e4d0187962d538653154216fe7/b8eec12aa666c11f8a6ad1488c568f85c58875fa/41d9a6795b95d6ea28439ac1e9ce8c95bbca20fc is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (299080), EUVD (EUVD-2026-5860) and CERT Bund (WID-SEC-2026-0421). Once again VulDB remains the best source for vulnerability data.

Affected

• Google Container-Optimized OS
• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• RESF Rocky Linux
• Open Source Linux Kernel

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.199
• 6.1.162
• 6.6.123
• 6.12.0
• 6.12.1
• 6.12.2
• 6.12.3
• 6.12.4
• 6.12.5
• 6.12.6
• 6.12.7
• 6.12.8
• 6.12.9
• 6.12.10
• 6.12.11
• 6.12.12
• 6.12.13
• 6.12.14
• 6.12.15
• 6.12.16
• 6.12.17
• 6.12.18
• 6.12.19
• 6.12.20
• 6.12.21
• 6.12.22
• 6.12.23
• 6.12.24
• 6.12.25
• 6.12.26
• 6.12.27
• 6.12.28
• 6.12.29
• 6.12.30
• 6.12.31
• 6.12.32
• 6.12.33
• 6.12.34
• 6.12.35
• 6.12.36
• 6.12.37
• 6.12.38
• 6.12.39
• 6.12.40
• 6.12.41
• 6.12.42
• 6.12.43
• 6.12.44
• 6.12.45
• 6.12.46
• 6.12.47
• 6.12.48
• 6.12.49
• 6.12.50
• 6.12.51
• 6.12.52
• 6.12.53
• 6.12.54
• 6.12.55
• 6.12.56
• 6.12.57
• 6.12.58
• 6.12.59
• 6.12.60
• 6.12.61
• 6.12.62
• 6.12.63
• 6.12.64
• 6.12.65
• 6.12.66
• 6.12.67
• 6.12.68
• 6.12.69
• 6.18.0
• 6.18.1
• 6.18.2
• 6.18.3
• 6.18.4
• 6.18.5
• 6.18.6
• 6.18.7
• 6.18.8
• 6.18.9

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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